| Geant4 Cross Reference |
1 // 1
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25 //
26 //
27 // -------------------------------------------
28 // GEANT 4 class implementation file
29 //
30 // CERN, Geneva, Switzerland
31 //
32 // File name: G4SigmaZeroField.cc
33 //
34 // Author: Alessandro Brunengo (Al
35 //
36 // Creation date: 5 June 2000
37 // -------------------------------------------
38
39 #include "G4SigmaZeroField.hh"
40 #include "G4PhysicalConstants.hh"
41 #include "G4NucleiProperties.hh"
42 #include "G4VNuclearDensity.hh"
43 #include "G4FermiMomentum.hh"
44 #include "G4SigmaZero.hh"
45 #include "G4HadTmpUtil.hh"
46
47 G4SigmaZeroField::G4SigmaZeroField(G4V3DNucleu
48 : G4VNuclearField(nucleus)
49 {
50 theCoeff = coeff;
51 }
52
53 G4SigmaZeroField::~G4SigmaZeroField()
54 { }
55
56 G4double G4SigmaZeroField::GetField(const G4Th
57 {
58 // Field is 0 out of the nucleus!
59 if(aPosition.mag() >= radius) return 0.0;
60
61 G4double sigmaZeroMass = G4SigmaZero::SigmaZ
62
63 G4int A = theNucleus->GetMassNumber();
64 G4int Z = theNucleus->GetCharge();
65 G4double bindingEnergy = G4NucleiProperties:
66 G4double nucleusMass = Z*proton_mass_c2+(A-Z
67 G4double reducedMass = sigmaZeroMass*nucleus
68
69 const G4VNuclearDensity * nuclearDensity=the
70 G4double density = nuclearDensity->GetDensit
71
72 return -2.*pi*hbarc*hbarc/reducedMass*(2.0)*
73 }
74
75
76 G4double G4SigmaZeroField::GetBarrier()
77 {
78 return 0.;
79 }
80
81